KR101721815B1 - 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 - Google Patents

고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 Download PDF

Info

Publication number
KR101721815B1
KR101721815B1 KR1020167002383A KR20167002383A KR101721815B1 KR 101721815 B1 KR101721815 B1 KR 101721815B1 KR 1020167002383 A KR1020167002383 A KR 1020167002383A KR 20167002383 A KR20167002383 A KR 20167002383A KR 101721815 B1 KR101721815 B1 KR 101721815B1
Authority
KR
South Korea
Prior art keywords
chroma
low fidelity
video
flag
coding unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020167002383A
Other languages
English (en)
Korean (ko)
Other versions
KR20160025598A (ko
Inventor
데이비드 플린
데이크 헤
뉴옌 뉴옌
Original Assignee
블랙베리 리미티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 블랙베리 리미티드 filed Critical 블랙베리 리미티드
Publication of KR20160025598A publication Critical patent/KR20160025598A/ko
Application granted granted Critical
Publication of KR101721815B1 publication Critical patent/KR101721815B1/ko
Assigned to 벨로스 미디어 인터내셔널 리미티드 reassignment 벨로스 미디어 인터내셔널 리미티드 권리의 전부이전등록 Assignors: 블랙베리 리미티드
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
KR1020167002383A 2013-06-28 2014-06-09 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 Active KR101721815B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13174435.1 2013-06-28
EP13174435.1A EP2843949B1 (en) 2013-06-28 2013-06-28 Methods and devices for emulating low-fidelity coding in a high-fidelity coder
PCT/CA2014/050531 WO2014205561A1 (en) 2013-06-28 2014-06-09 Methods and devices for emulating low-fidelity coding in a high-fidelity coder

Publications (2)

Publication Number Publication Date
KR20160025598A KR20160025598A (ko) 2016-03-08
KR101721815B1 true KR101721815B1 (ko) 2017-03-30

Family

ID=48740907

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167002383A Active KR101721815B1 (ko) 2013-06-28 2014-06-09 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치

Country Status (5)

Country Link
EP (3) EP4366308A3 (enExample)
JP (3) JP6527859B2 (enExample)
KR (1) KR101721815B1 (enExample)
CN (1) CN105359521B (enExample)
WO (1) WO2014205561A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019135655A1 (ko) * 2018-01-08 2019-07-11 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020251269A1 (ko) * 2019-06-11 2020-12-17 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107852512A (zh) * 2015-06-07 2018-03-27 夏普株式会社 基于亮度转换函数或视频色彩分量值的优化视频编码的系统及方法
CN109196863B (zh) * 2016-05-27 2021-07-30 夏普株式会社 用于改变量化参数的系统和方法
CN113411576B (zh) * 2016-07-22 2024-01-12 夏普株式会社 使用自适应分量缩放对视频数据进行编码的系统和方法
CN110063057B (zh) * 2016-09-20 2021-09-07 联发科技股份有限公司 用于视频编解码的采样自适应偏移处理的方法和装置
KR20190020161A (ko) * 2016-10-10 2019-02-27 삼성전자주식회사 루마 블록 및 크로마 블록을 부호화 또는 복호화하는 방법 및 장치
JP7406378B2 (ja) * 2017-06-21 2023-12-27 ヴィド スケール インコーポレイテッド ３６０度ビデオ符号化のための適応的量子化
US11019338B2 (en) * 2018-02-01 2021-05-25 Mediatek Inc. Methods and apparatuses of video encoding or decoding with adaptive quantization of video data
CN111937383B (zh) * 2018-03-30 2023-08-01 交互数字Vc控股公司 视频编码和解码中的色度量化参数调整
KR102870665B1 (ko) * 2018-06-21 2025-10-15 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩에서의 정제 모드 처리
MX2021003166A (es) 2018-09-21 2021-05-14 Huawei Tech Co Ltd Aparato y metodo para cuantificacion inversa.
JP2022502981A (ja) 2018-09-24 2022-01-11 インターデイジタル ヴィーシー ホールディングス インコーポレイテッド 輝度および彩度に対して別々のコーディングツリーを使用する場合の彩度量子化パラメータを決定するための方法および装置
EP3912345A4 (en) * 2019-01-16 2022-11-09 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR DERIVING QUANTIZATION PARAMETERS FOR VIDEO BLOCKS IN VIDEO ENCODING
MY208172A (en) 2019-02-01 2025-04-22 Beijing Bytedance Network Tech Co Ltd Signaling of in-loop reshaping information using parameter sets
CN113475062B (zh) 2019-02-24 2025-08-12 北京字节跳动网络技术有限公司 确定屏幕内容编解码的条件
EP3935845A4 (en) * 2019-03-05 2022-11-09 ZTE Corporation CROSS COMPONENT QUANTIFICATION IN VIDEO CODING
KR102777573B1 (ko) 2019-03-08 2025-03-06 두인 비전 컴퍼니 리미티드 비디오 처리에서 변형 정보의 시그널링
CN113574889B (zh) 2019-03-14 2024-01-12 北京字节跳动网络技术有限公司 环路整形信息的信令和语法
CN113632476B (zh) * 2019-03-23 2024-03-19 北京字节跳动网络技术有限公司 默认的环内整形参数
MX2021012472A (es) * 2019-04-18 2021-11-12 Beijing Bytedance Network Tech Co Ltd Restriccion de la aplicabilidad del modo de componentes cruzados.
SG11202110999PA (en) 2019-04-23 2021-11-29 Beijing Bytedance Network Technology Co Ltd Methods for cross component dependency reduction
WO2020216380A1 (en) * 2019-04-26 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Prediction of parameters for in-loop reshaping
CN113767629A (zh) * 2019-04-26 2021-12-07 华为技术有限公司 用于指示色度量化参数映射函数的方法和装置
WO2020224629A1 (en) 2019-05-08 2020-11-12 Beijing Bytedance Network Technology Co., Ltd. Conditions for applicability of cross-component coding
CN113812161B (zh) * 2019-05-14 2024-02-06 北京字节跳动网络技术有限公司 视频编解码中的缩放方法
KR102594690B1 (ko) * 2019-06-11 2023-10-26 엘지전자 주식회사 크로마 양자화 파라미터 데이터 기반 영상 디코딩 방법 및 그 장치
JP7522137B2 (ja) * 2019-06-14 2024-07-24 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． 改良型の変換ベーススケーリングを用いるエンコーダ、デコーダ、方法、およびコンピュータプログラム
CN113994697B (zh) 2019-06-22 2024-10-18 北京字节跳动网络技术有限公司 色度残差缩放的语法元素
US12015792B2 (en) * 2019-06-28 2024-06-18 Lg Electronics Inc. Image decoding method for chroma quantization parameter data and apparatus therefor
JP7460748B2 (ja) 2019-07-07 2024-04-02 北京字節跳動網絡技術有限公司 クロマ残差スケーリングのシグナリング
JP7359936B2 (ja) 2019-07-20 2023-10-11 北京字節跳動網絡技術有限公司 パレットモードの使用の指示の条件依存符号化
CN117221536A (zh) * 2019-07-23 2023-12-12 北京字节跳动网络技术有限公司 调色板模式编解码的模式确定
US11277611B2 (en) * 2019-07-24 2022-03-15 Qualcomm Incorporated Delta quantization parameter (QP) signaling in palette mode
JP7832101B2 (ja) 2019-07-29 2026-03-17 北京字節跳動網絡技術有限公司 予測処理におけるパレットモードの符号化
JP7318110B2 (ja) * 2019-08-22 2023-07-31 エルジー エレクトロニクス インコーポレイティド クロマ量子化パラメータを使用する画像デコード方法及びその装置
EP4598023A3 (en) * 2019-08-27 2025-10-29 Hyundai Motor Company Video encoding and decoding using differential coding
CN120128700B (zh) * 2019-09-12 2026-05-26 阿里巴巴创新公司 计算机实现的编解码方法、解码装置及计算机可读存储介质
ES2994578T3 (en) 2019-09-23 2025-01-28 Beijing Dajia Internet Information Tech Co Ltd Methods and devices for quantization and de-quantization design in video coding
US11310533B2 (en) * 2019-09-27 2022-04-19 Qualcomm Incorporated Quantization parameter signaling for joint chroma residual mode in video coding
US20210160481A1 (en) * 2019-11-26 2021-05-27 Qualcomm Incorporated Flexible signaling of qp offset for adaptive color transform in video coding
CN115336267B (zh) * 2019-12-06 2024-12-31 交互数字Ce专利控股有限公司 用于联合色度编码块的缩放过程
WO2021134072A1 (en) * 2019-12-27 2021-07-01 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video coding in 4:4:4 chroma format
US11803989B2 (en) * 2020-01-08 2023-10-31 Qualcomm Incorporated Quantization for geometry-based point cloud compression
EP4088455B1 (en) 2020-01-11 2025-07-02 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video decoding using palette mode
CN114982237B (zh) * 2020-01-14 2026-08-04 抖音视界(北京)有限公司 视频编解码中量化参数的信令通知
US12355964B2 (en) * 2020-03-12 2025-07-08 Interdigital Ce Patent Holdings, Sas High-level constraint flag for local chroma quantization parameter control
US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer
US12047593B2 (en) * 2020-10-02 2024-07-23 Tencent America LLC Method and apparatus for video coding
CN113613008A (zh) * 2021-08-20 2021-11-05 百果园技术(新加坡)有限公司 一种视频编解码的方法、装置、电子设备及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7848408B2 (en) * 2005-01-28 2010-12-07 Broadcom Corporation Method and system for parameter generation for digital noise reduction based on bitstream properties
US8243797B2 (en) * 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8571106B2 (en) * 2008-05-22 2013-10-29 Microsoft Corporation Digital video compression acceleration based on motion vectors produced by cameras
US8897359B2 (en) * 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US9854275B2 (en) * 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Chroma QP range extension", Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, JCTVC-J0342 (2012.7.11.)*

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019135655A1 (ko) * 2018-01-08 2019-07-11 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020251269A1 (ko) * 2019-06-11 2020-12-17 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
US11533500B2 (en) 2019-06-11 2022-12-20 Lg Electronics Inc. Image decoding method and device therefor
US11825108B2 (en) 2019-06-11 2023-11-21 Lg Electronics Inc. Image decoding method and device therefor

Also Published As

Publication number Publication date
EP3598751A3 (en) 2020-04-08
CN105359521A (zh) 2016-02-24
JP2019146263A (ja) 2019-08-29
WO2014205561A1 (en) 2014-12-31
JP2016528768A (ja) 2016-09-15
EP2843949A1 (en) 2015-03-04
HK1208107A1 (en) 2016-02-19
JP2020115675A (ja) 2020-07-30
EP3598751B1 (en) 2024-04-10
EP2843949B1 (en) 2020-04-29
JP6691253B2 (ja) 2020-04-28
EP3598751A2 (en) 2020-01-22
EP4366308A3 (en) 2024-07-10
EP4366308A2 (en) 2024-05-08
JP6907373B2 (ja) 2021-07-21
JP6527859B2 (ja) 2019-06-05
KR20160025598A (ko) 2016-03-08
CN105359521B (zh) 2020-06-26

Similar Documents

Publication Publication Date Title
JP6907373B2 (ja) 高忠実度コーダにおいて低忠実度コーディングをエミュレートする方法およびデバイス
US10979715B2 (en) Methods and devices for emulating low-fidelity coding in a high-fidelity coder
US20250227264A1 (en) Adjustments to encoding and decoding when switching color spaces
KR102874861B1 (ko) 매트릭스 기반 인트라 예측 및 2차 변환 코어 선택을 조화시키는 인코더, 디코더 및 대응 방법
CA2838336C (en) Methods and systems for prediction filtering in video coding
CA2940015C (en) Adjusting quantization/scaling and inverse quantization/scaling when switching color spaces
KR102244926B1 (ko) 채도 qp 값의 확장된 범위
KR102143663B1 (ko) 디블록킹에서 채도 양자화 파라미터 오프셋을 사용하는 기법
KR101749269B1 (ko) 적응적인 인루프 필터를 이용한 동영상 부호화와 복호화 장치 및 그 방법
JP2024020545A (ja) クロス成分適応ループフィルタ
CN111279703A (zh) 用于加权角度预测的后滤波
EP2299720A1 (en) Dynamic image encoding/decoding method and device
CN114402609A (zh) 视频编解码中的色度量化参数
CN107251557A (zh) 高色度分辨率细节的编码/解码
EP3767948A1 (en) In-loop filtering for lossless coding mode in high efficiency video coding
CN107211150A (zh) 动态更新质量至较高的色度采样率
CN119893081B (zh) 用于对图像进行编码和解码的方法以及相关装置和系统
CN112119639B (zh) 用于对hdr内容进行去方块的系统和方法
CN114762339B (zh) 基于变换跳过和调色板编码相关高级语法元素的图像或视频编码
JP2021535653A (ja) ビデオコーディング及び処理のためのデブロッキングフィルタ
KR20200136395A (ko) 화상 처리 장치 및 화상 처리 방법
WO2022217417A1 (zh) 编解码方法、编码器、解码器以及存储介质
CN118077197A (zh) 组合用于视频编码和/或解码的去块滤波和另一滤波
HK1208107B (en) Methods and devices for emulating low-fidelity coding in a high-fidelity coder

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

Patent event date: 20160127

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20160812

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20170227

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20170324

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20170324

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20200316

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20210315

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20230315

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20240312

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20250311

Start annual number: 9

End annual number: 9